package com.sky.controller.admin;

import com.sky.constant.StatusConstant;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;

    //缓存
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        String key = "dish_"+dishDTO.getCategoryId();
        //清理缓存
        clearCache(key);
        log.info("新增菜品：{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);
        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> queryPage(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询:{}",dishPageQueryDTO);
        PageResult pageResult = dishService.queryPage(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result deleteBatch(@RequestParam List<Long> ids){
        //清理缓存
        clearCache("dish_*");
        log.info("菜品批量删除:{}",ids);
        dishService.deleteBatch(ids);
        return Result.success();
    }

    /**
     * 根据id查找菜品和口味
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查找菜品和口味")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查找菜品和口味：{}",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品with口味
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品with口味")
    public Result update(@RequestBody DishDTO dishDTO){
        //清理缓存
        clearCache("dish_*");

        log.info("修改菜品：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        return Result.success();
    }

    /**
     * 菜品 启用、禁用
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("启用禁用分类")
    public Result<String> startOrStop(@PathVariable("status") Integer status, Long id){
        clearCache("dish_*");
        dishService.startOrStop(status,id);
        return Result.success();
    }


    //清理缓存
    private void clearCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品") //这里是不是可以考虑添加一些缓存
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }



}
